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All 15 posts Subject: Search engine problem Please login to post Down

Vaaguh
(Hive Bee)
09-11-04 07:12
No 530810
User Picture       Search engine problem

There is a problem when searching with TFSE and using the keyword NBS (the rest of the search options are set to standard values). The result of the search will display the last 2000 threads on the hive with an " " at the end.

Hippler

Unobtainium
(Minister of Propaganda)
09-11-04 08:25
No 530822
User Picture       Not a bug, its a feature.

We thought you might want to search for various html formating in the post titles.

Milk rots your brain.

Rhodium
(Chief Bee)
09-12-04 17:20
No 531023
      Search for "NBS NOT nbsp" instead

Search for "NBS NOT nbsp" instead and the posts containing the HTML character " " won't show up.

^{The Hive - Clandestine Chemists Without Borders}

Vaaguh
(Hive Bee)
09-25-04 02:32
No 533051
User Picture       small correction

NBS NOT nbsp NOT &NBSP
seems to work.

Hippler

starlight
(Hive Bee)
09-26-04 16:43
No 533259
      aren't you going to miss posts

Won't those searching for references to N-bromosuccinimide run the risk of missing relevant posts which also contain a non-breaking space if they use the exclusion logic suggested?

jsorex
(Hive Addict)
09-26-04 22:53
No 533304
      You could search seperately for threads ...

The search pages says the not is identical to andnot. You could search seperately for threads containing both or you could add that to the previously suggested algorythm.

starlight
(Hive Bee)
09-27-04 10:31
No 533369
      you'll end up with 2000+

You can't search for threads containing NBS and NBSP because all threads containing NBSP contain NBS by default.

The following seems to pick up those posts that contain NBS and a non-breaking space:

" NBS " (spaces before and after the NBS)

It also picks up one or two posts that it shouldn't, but not very many.

Lilienthal
(Moderator)
09-27-04 19:07
No 533424
User Picture       Those are only in the title, simply search the

Those   are only in the title, simply search the body of the posting only.

starlight
(Hive Bee)
09-29-04 10:36
No 533737
      Those are only in the title, simply search the

Those   are only in the title, simply search the body of the posting only.

Are you responding to me Lilienthal? I don't understand. The " NBS " search term seems to pick up what is being looked for pretty accurately, but picks up some " "s that are in the Body.

Lilienthal
(Moderator)
09-29-04 12:09
No 533743
User Picture       It looks like all &nbs[]p; in the body are...

It looks like all   in the body are from old posts from before 07-22-01.

starlight
(Hive Bee)
09-29-04 16:38
No 533762
      yes. old posts

indeed. it is only the old posts.

java
(Hive Addict)
09-29-04 18:30
No 533774
User Picture       Just how does one implement the &nbs,...and others

I'm always mining the Hive for some pearls of wisdom hidden in posts, hence upon reading this thread I want to understand the options this thread has alluded to . Please explain with a simple example on how to use the features you are discussing .Thank you starlight for defining NBS, but what is   and how would this look if I was looking for deoxygenation of phenyalaninol , as it would be typed in hte search inquiry ........ I understand the space before and after the ", ...........java

It is better to die on your feet than to live on your knees...Emiliano Zapata

Lilienthal
(Moderator)
09-29-04 19:40
No 533786
User Picture       Use the following search query (including the...

Use the following search query (including the quotation marks): " nbs"

starlight
(Hive Bee)
09-30-04 09:39
No 533884
      I dont think it is relevant

Java: I don't think that the features mentioned are necessarily useful for the search that you refer to. If I was looking for the information you mention I would just search for:

phenylalaninol OR 3-phenyl-2-aminopropanol

And then scan the resulting posts.

The technique with the double quotes enclosing a letter sequence with a leading or trailing space is mainly useful for separating those posts which contain a sequence of letters as part of a word from those that contain the same sequence of letters as a word in its own right. According to the search engine page it is also an "expensive" search for the server, so should only be used where absolutely necessary.

Lilienthal
(Moderator)
09-30-04 10:58
No 533893
User Picture       'Indexed' vs. 'Fulltext'

Actually phrase searches are only more time consuming in 'Indexed' mode but not in the 'Fulltext' mode which is the current default. smile

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	All 15 posts		Subject: Search engine problem		Please login to post		Down


		Vaaguh (Hive Bee) 09-11-04 07:12 No 530810				Search engine problem
						There is a problem when searching with TFSE and using the keyword NBS (the rest of the search options are set to standard values). The result of the search will display the last 2000 threads on the hive with an " " at the end. Hippler



		Unobtainium (Minister of Propaganda) 09-11-04 08:25 No 530822				Not a bug, its a feature.
						We thought you might want to search for various html formating in the post titles. Milk rots your brain.



		Rhodium (Chief Bee) 09-12-04 17:20 No 531023				Search for "NBS NOT nbsp" instead
						Search for "NBS NOT nbsp" instead and the posts containing the HTML character " " won't show up. ^{The Hive - Clandestine Chemists Without Borders}



		Vaaguh (Hive Bee) 09-25-04 02:32 No 533051				small correction
						NBS NOT nbsp NOT &NBSP seems to work. Hippler



		starlight (Hive Bee) 09-26-04 16:43 No 533259				aren't you going to miss posts
						Won't those searching for references to N-bromosuccinimide run the risk of missing relevant posts which also contain a non-breaking space if they use the exclusion logic suggested?



		jsorex (Hive Addict) 09-26-04 22:53 No 533304				You could search seperately for threads ...
						The search pages says the not is identical to andnot. You could search seperately for threads containing both or you could add that to the previously suggested algorythm.



		starlight (Hive Bee) 09-27-04 10:31 No 533369				you'll end up with 2000+
						You can't search for threads containing NBS and NBSP because all threads containing NBSP contain NBS by default. The following seems to pick up those posts that contain NBS and a non-breaking space: " NBS " (spaces before and after the NBS) It also picks up one or two posts that it shouldn't, but not very many.



		Lilienthal (Moderator) 09-27-04 19:07 No 533424				Those are only in the title, simply search the
						Those   are only in the title, simply search the body of the posting only.



		starlight (Hive Bee) 09-29-04 10:36 No 533737				Those are only in the title, simply search the
						Those are only in the title, simply search the body of the posting only. Are you responding to me Lilienthal? I don't understand. The " NBS " search term seems to pick up what is being looked for pretty accurately, but picks up some " "s that are in the Body.



		Lilienthal (Moderator) 09-29-04 12:09 No 533743				It looks like all &nbs[]p; in the body are...
						It looks like all   in the body are from old posts from before 07-22-01.



		starlight (Hive Bee) 09-29-04 16:38 No 533762				yes. old posts
						indeed. it is only the old posts.



		java (Hive Addict) 09-29-04 18:30 No 533774				Just how does one implement the &nbs,...and others
						I'm always mining the Hive for some pearls of wisdom hidden in posts, hence upon reading this thread I want to understand the options this thread has alluded to . Please explain with a simple example on how to use the features you are discussing .Thank you starlight for defining NBS, but what is and how would this look if I was looking for deoxygenation of phenyalaninol , as it would be typed in hte search inquiry ........ I understand the space before and after the ", ...........java It is better to die on your feet than to live on your knees...Emiliano Zapata



		Lilienthal (Moderator) 09-29-04 19:40 No 533786				Use the following search query (including the...
						Use the following search query (including the quotation marks): " nbs"



		starlight (Hive Bee) 09-30-04 09:39 No 533884				I dont think it is relevant
						Java: I don't think that the features mentioned are necessarily useful for the search that you refer to. If I was looking for the information you mention I would just search for: phenylalaninol OR 3-phenyl-2-aminopropanol And then scan the resulting posts. The technique with the double quotes enclosing a letter sequence with a leading or trailing space is mainly useful for separating those posts which contain a sequence of letters as part of a word from those that contain the same sequence of letters as a word in its own right. According to the search engine page it is also an "expensive" search for the server, so should only be used where absolutely necessary.



		Lilienthal (Moderator) 09-30-04 10:58 No 533893				'Indexed' vs. 'Fulltext'
						Actually phrase searches are only more time consuming in 'Indexed' mode but not in the 'Fulltext' mode which is the current default.

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